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run code in 200+ php & hhvm versions
Bugs & Features
<!DOCTYPE html> <html> <body> <?php $x=5; $y=10; function practiceTest() { global $x,$y; $y=$x+$y; } practiceTest(); // run function echo $y; // output the new value for variable $y ?> </body> </html>
Output for 4.3.0 - 7.1.7
<!DOCTYPE html> <html> <body> 15 </body> </html>